based on the episode Out of darkness, written by Kevin Hopps. based on the episode written by Leslie Valdes based on the episode written by Mark Drop based on the motion picture screenplay written by Brian Lynch. based on the screenplay written by Kati Rocky. based on the episode written by Lorne Cameron based on the episode written by Lorne Cameron. based on the screenplay written by Kati Rocky based on the story written by John Hughes based on the television episode written by Craig Gerber